start tracking the versions of our vendored software

pull/1/head
ansuz 4 years ago
parent 1c1dc421a3
commit 279db28e86

@ -0,0 +1,4 @@
This file is intended to be used as a log of what third-party source we have vendored, where we got it, and what modifications we have made to it (if any).
* [turndown v7.1.1](https://github.com/mixmark-io/turndown/releases/tag/v7.1.1) built from unmodified source as per its build scripts.

@ -1,7 +1,7 @@
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.TurndownService = factory());
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.TurndownService = factory());
}(this, (function () { 'use strict';
function extend (destination) {
@ -18,6 +18,17 @@
return Array(count + 1).join(character)
}
function trimLeadingNewlines (string) {
return string.replace(/^\n*/, '')
}
function trimTrailingNewlines (string) {
// avoid match-at-end regexp bottleneck, see #370
var indexEnd = string.length;
while (indexEnd > 0 && string[indexEnd - 1] === '\n') indexEnd--;
return string.substring(0, indexEnd)
}
var blockElements = [
'ADDRESS', 'ARTICLE', 'ASIDE', 'AUDIO', 'BLOCKQUOTE', 'BODY', 'CANVAS',
'CENTER', 'DD', 'DIR', 'DIV', 'DL', 'DT', 'FIELDSET', 'FIGCAPTION', 'FIGURE',
@ -303,19 +314,15 @@
},
replacement: function (content) {
if (!content.trim()) return ''
if (!content) return ''
content = content.replace(/\r?\n|\r/g, ' ');
var extraSpace = /^`|^ .*?[^ ].* $|`$/.test(content) ? ' ' : '';
var delimiter = '`';
var leadingSpace = '';
var trailingSpace = '';
var matches = content.match(/`+/gm);
if (matches) {
if (/^`/.test(content)) leadingSpace = ' ';
if (/`$/.test(content)) trailingSpace = ' ';
while (matches.indexOf(delimiter) !== -1) delimiter = delimiter + '`';
}
var matches = content.match(/`+/gm) || [];
while (matches.indexOf(delimiter) !== -1) delimiter = delimiter + '`';
return delimiter + leadingSpace + content + trailingSpace + delimiter
return delimiter + extraSpace + content + extraSpace + delimiter
}
};
@ -459,7 +466,7 @@
if (!element.firstChild || isPre(element)) return
var prevText = null;
var prevVoid = false;
var keepLeadingWs = false;
var prev = null;
var node = next(prev, element, isPre);
@ -469,7 +476,7 @@
var text = node.data.replace(/[ \r\n\t]+/g, ' ');
if ((!prevText || / $/.test(prevText.data)) &&
!prevVoid && text[0] === ' ') {
!keepLeadingWs && text[0] === ' ') {
text = text.substr(1);
}
@ -489,11 +496,14 @@
}
prevText = null;
prevVoid = false;
} else if (isVoid(node)) {
// Avoid trimming space around non-block, non-BR void elements.
keepLeadingWs = false;
} else if (isVoid(node) || isPre(node)) {
// Avoid trimming space around non-block, non-BR void elements and inline PRE.
prevText = null;
prevVoid = true;
keepLeadingWs = true;
} else if (prevText) {
// Drop protection if set previously.
keepLeadingWs = false;
}
} else {
node = remove(node);
@ -609,7 +619,7 @@
var HTMLParser = canParseHTMLNatively() ? root.DOMParser : createHTMLParser();
function RootNode (input) {
function RootNode (input, options) {
var root;
if (typeof input === 'string') {
var doc = htmlParser().parseFromString(
@ -626,7 +636,8 @@
collapseWhitespace({
element: root,
isBlock: isBlock,
isVoid: isVoid
isVoid: isVoid,
isPre: options.preformattedCode ? isPreOrCode : null
});
return root
@ -638,11 +649,15 @@
return _htmlParser
}
function Node (node) {
function isPreOrCode (node) {
return node.nodeName === 'PRE' || node.nodeName === 'CODE'
}
function Node (node, options) {
node.isBlock = isBlock(node);
node.isCode = node.nodeName.toLowerCase() === 'code' || node.parentNode.isCode;
node.isCode = node.nodeName === 'CODE' || node.parentNode.isCode;
node.isBlank = isBlank(node);
node.flankingWhitespace = flankingWhitespace(node);
node.flankingWhitespace = flankingWhitespace(node, options);
return node
}
@ -656,28 +671,39 @@
)
}
function flankingWhitespace (node) {
var leading = '';
var trailing = '';
function flankingWhitespace (node, options) {
if (node.isBlock || (options.preformattedCode && node.isCode)) {
return { leading: '', trailing: '' }
}
if (!node.isBlock) {
var hasLeading = /^\s/.test(node.textContent);
var hasTrailing = /\s$/.test(node.textContent);
var blankWithSpaces = node.isBlank && hasLeading && hasTrailing;
var edges = edgeWhitespace(node.textContent);
if (hasLeading && !isFlankedByWhitespace('left', node)) {
leading = ' ';
}
// abandon leading ASCII WS if left-flanked by ASCII WS
if (edges.leadingAscii && isFlankedByWhitespace('left', node, options)) {
edges.leading = edges.leadingNonAscii;
}
if (!blankWithSpaces && hasTrailing && !isFlankedByWhitespace('right', node)) {
trailing = ' ';
}
// abandon trailing ASCII WS if right-flanked by ASCII WS
if (edges.trailingAscii && isFlankedByWhitespace('right', node, options)) {
edges.trailing = edges.trailingNonAscii;
}
return { leading: leading, trailing: trailing }
return { leading: edges.leading, trailing: edges.trailing }
}
function isFlankedByWhitespace (side, node) {
function edgeWhitespace (string) {
var m = string.match(/^(([ \t\r\n]*)(\s*))[\s\S]*?((\s*?)([ \t\r\n]*))$/);
return {
leading: m[1], // whole string for whitespace-only strings
leadingAscii: m[2],
leadingNonAscii: m[3],
trailing: m[4], // empty for whitespace-only strings
trailingNonAscii: m[5],
trailingAscii: m[6]
}
}
function isFlankedByWhitespace (side, node, options) {
var sibling;
var regExp;
var isFlanked;
@ -693,6 +719,8 @@
if (sibling) {
if (sibling.nodeType === 3) {
isFlanked = regExp.test(sibling.nodeValue);
} else if (options.preformattedCode && sibling.nodeName === 'CODE') {
isFlanked = false;
} else if (sibling.nodeType === 1 && !isBlock(sibling)) {
isFlanked = regExp.test(sibling.textContent);
}
@ -701,8 +729,6 @@
}
var reduce = Array.prototype.reduce;
var leadingNewLinesRegExp = /^\n*/;
var trailingNewLinesRegExp = /\n*$/;
var escapes = [
[/\\/g, '\\\\'],
[/\*/g, '\\*'],
@ -734,6 +760,7 @@
linkStyle: 'inlined',
linkReferenceStyle: 'full',
br: ' ',
preformattedCode: false,
blankReplacement: function (content, node) {
return node.isBlock ? '\n\n' : ''
},
@ -766,7 +793,7 @@
if (input === '') return ''
var output = process.call(this, new RootNode(input));
var output = process.call(this, new RootNode(input, this.options));
return postProcess.call(this, output)
},
@ -855,7 +882,7 @@
function process (parentNode) {
var self = this;
return reduce.call(parentNode.childNodes, function (output, node) {
node = new Node(node);
node = new Node(node, self.options);
var replacement = '';
if (node.nodeType === 3) {
@ -908,31 +935,21 @@
}
/**
* Determines the new lines between the current output and the replacement
* Joins replacement to the current output with appropriate number of new lines
* @private
* @param {String} output The current conversion output
* @param {String} replacement The string to append to the output
* @returns The whitespace to separate the current output and the replacement
* @returns Joined output
* @type String
*/
function separatingNewlines (output, replacement) {
var newlines = [
output.match(trailingNewLinesRegExp)[0],
replacement.match(leadingNewLinesRegExp)[0]
].sort();
var maxNewlines = newlines[newlines.length - 1];
return maxNewlines.length < 2 ? maxNewlines : '\n\n'
}
function join (string1, string2) {
var separator = separatingNewlines(string1, string2);
// Remove trailing/leading newlines and replace with separator
string1 = string1.replace(trailingNewLinesRegExp, '');
string2 = string2.replace(leadingNewLinesRegExp, '');
function join (output, replacement) {
var s1 = trimTrailingNewlines(output);
var s2 = trimLeadingNewlines(replacement);
var nls = Math.max(output.length - s1.length, replacement.length - s2.length);
var separator = '\n\n'.substring(0, nls);
return string1 + separator + string2
return s1 + separator + s2
}
/**

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